// -*-c++-*- Copyright (C) 2011 osgPango Development Team
// $Id$

#ifndef OSGPANGO_SHADER_GENERATOR
#define OSGPANGO_SHADER_GENERATOR

#include <string>
#include <vector>
#include <osgPango/Export>

namespace osgPango {

typedef std::vector<unsigned int> LayerIndexVector;

OSGPANGO_EXPORT std::string defaultVertexShader     ();
OSGPANGO_EXPORT std::string baseFragmentHeader      (unsigned int);
OSGPANGO_EXPORT std::string baseFragmentFooter      ();
OSGPANGO_EXPORT std::string createBackToFrontShader (unsigned int);
OSGPANGO_EXPORT std::string createLayerIndexShader  (unsigned int, const LayerIndexVector&);

}

#endif
